<template>
	<view class="update-mask flex-center">
		<view class="content botton-radius">
			<view class="content-top">
				<view class="content-top-text">
					<text class="">发现新版本 v{{data.edition_name}}.{{data.edition_number}}</text>
					<text class="version">当前版本：{{version}}</text>
				</view>
				<image class="content-top" style="top: 0;" width="100%" height="100%" src="./static/bg_top.png"></image>
			</view>
			<view class="content-header"></view>
			<view class="content-body">

				<view class="title"><text>更新内容</text></view>
				<view class="body pb2">
					<scroll-view class="box-des-scroll" scroll-y="true"><rich-text
							:nodes="data.describe"></rich-text></scroll-view>
				</view>
				<view class="footer flex-center">
					<view class="" style="padding-bottom: 30rpx;width: 650rpx;">
						<view class="progress-box flex-column  pb2" v-if="!updateBtn">
							<progress class="progress" border-radius="35" :percent="percent" activeColor="#3DA7FF"
								show-info stroke-width="10" />
							<!-- <u-line-progress :striped="true" :percent="percent" :striped-active="true"></u-line-progress> -->
							<view><text class="fs24">正在下载，请稍后 ({{downloadedSize}}/{{packageFileSize}}M)</text></view>
						</view>

						<button v-if="updateBtn" class="content-button" style="border: none;color: #fff;" plain
							@click="confirm">立即升级</button>


						<button v-if="is_apk&&is_download" class="content-button" style="border: none;color: #fff;"
							plain @click="on_install">立即安装</button>


					</view>


				</view>
			</view>

			<image v-if="cancleBtn" class="close-img" src="./static/app_update_close.png" @click.stop="cancel"></image>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				version: '1.0.0', //当前运行版本(打包时manifest里的版本名称)
				percent: 0, //进度条百分比
				updateBtn: true, //是否显示立即更新
				cancleBtn: false, //是否显示取消按钮
				downloadedSize: 0, //当前已下载大小
				packageFileSize: 0, //安装包大小
				is_apk: false,
				is_download: false,
				data: {
					describe: '1. 修复已知问题<br>2. 优化用户体验',
					edition_url: 'https://vkceyugu.cdn.bspapp.com/VKCEYUGU-6bef1fe3-e3e3-4909-9f0c-6ed9bd11c93b/aae2360a-6628-4c93-b873-ce1600b9a852.apk', //安装包下载地址或者通用应用市场地址
					edition_force: 1, //是否强制更新 0代表否 1代表是
					package_type: 0, //0是整包升级 1是wgt升级
					edition_name: '1.0.1' //后端返回的版本名称
				}
			};
		},
		onLoad(on) {
			let that = this;
			this.data = JSON.parse(on.obj);
			if (this.data.edition_force == 0) {
				this.cancleBtn = true;
			}
			plus.runtime.getProperty(plus.runtime.appid, (inf) => {
				that.version = inf.version + '.' + inf.versionCode;
			})
		},

		onBackPress() {
			// 强制更新不允许返回
			if (this.data.edition_force == 1) {
				return true;
			}
		},

		methods: {
			cancel() {
				//取消升级 返回上一页
				uni.navigateBack({
					delta: 1
				});
			},
			confirm() {
				//0是整包升级（apk或者appstore或者安卓应用市场） 1是wgt升级
				console.log("this.data.package_type: " + JSON.stringify(this.data.package_type));
				if (this.data.package_type == 0) {
					//apk整包升级 下载地址必须以.apk结尾
					if (this.data.edition_url.includes('.apk')) {
						console.log("222: " + JSON.stringify(222));
						this.updateBtn = false;

						this.is_apk = true;
						this.download('apk');

					} else {
						//外部下载 一般是手机应用市场或者其他h5页面
						this.data.edition_force = 0; // 解决跳转外部链接后，更新提示还在的问题
						plus.runtime.openURL(this.data.edition_url);
					}
				} else {
					this.updateBtn = false;
					this.is_apk = false;
					this.cancleBtn = false;
					//wgt资源包升级 下载地址必须以.wgt结尾
					this.download('wgt');
				}
			},
			on_install() {
				//安装apk
				plus.runtime.install(this.tempFilePath, {
					force: true //true表示强制安装，不进行版本号的校验；false则需要版本号校验，
				});
			},
			download(type) {
				let package_type = this.data.package_type;
				let that = this;
				const downloadTask = uni.downloadFile({
					url: this.data.edition_url,
					success: res => {
						if (res.statusCode === 200) {
							that.tempFilePath = res.tempFilePath
							plus.runtime.install(
								res.tempFilePath, {
									force: true //true表示强制安装，不进行版本号的校验；false则需要版本号校验，
								},
								function() {
									// console.log('success', success);
									if (type == 'wgt' && package_type == 1) { //wgt更新  
										uni.showModal({
											title: '更新提示',
											content: '新版本已经准备好，请重启应用',
											showCancel: false,
											success: function(res) {
												if (res.confirm) {
													// console.log('用户点击确定');
													plus.runtime.restart()
												}
											}
										});

									} else {
										that.is_download = true;
									}
								},
								function(e) {
									//提示部分wgt包无法安装的问题
									that.data.edition_force = 0;
									uni.showToast({
										title: e.message,
										icon: 'none',
										duration: 2500
									})


								}
							);

						}
					}
				});
				// 进度条
				downloadTask.onProgressUpdate(res => {
					this.percent = res.progress;
					this.downloadedSize = (res.totalBytesWritten / Math.pow(1024, 2)).toFixed(2);
					this.packageFileSize = (res.totalBytesExpectedToWrite / Math.pow(1024, 2)).toFixed(2);
				});

			}
		}
	};
</script>

<style>
	page {
		background: transparent;
	}

	.flex-center {
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		justify-content: center;
		align-items: center;
	}

	.update-mask {
		position: fixed;
		left: 0;
		top: 0;
		right: 0;
		bottom: 0;
		background-color: rgba(0, 0, 0, 0.65);
	}

	.botton-radius {
		border-bottom-left-radius: 30rpx;
		border-bottom-right-radius: 30rpx;
	}

	.content {
		position: relative;
		top: 0;
		width: 600rpx;
		background-color: #fff;
		box-sizing: border-box;
		padding: 0 50rpx;
		font-family: Source Han Sans CN;
	}

	.text {
		/* #ifndef APP-NVUE */
		display: block;
		/* #endif */
		line-height: 200px;
		text-align: center;
		color: #ffffff;
	}

	.content-top {
		position: absolute;
		top: -195rpx;
		left: 0;
		width: 600rpx;
		height: 270rpx;
	}

	.content-top-text {
		font-size: 40rpx;
		font-weight: bold;
		color: #f8f8fa;
		position: absolute;
		top: 120rpx;
		left: 50rpx;
		z-index: 1;
		display: flex;
		flex-direction: column;
	}

	.content-header {
		height: 70rpx;
	}

	.title {
		font-size: 33rpx;
		font-weight: bold;
		color: #3da7ff;
		line-height: 38px;
	}

	.footer {
		height: 180rpx;
		display: flex;
		align-items: center;
		justify-content: space-around;
	}

	.box-des-scroll {
		box-sizing: border-box;
		padding: 0 40rpx;
		text-align: left;
	}

	.box-des {
		font-size: 26rpx;
		color: #000000;
		line-height: 50rpx;
	}

	.progress-box {
		width: 100%;
	}

	.progress {
		width: 83%;
		height: 40rpx;
		border-radius: 35px;
	}

	.close-img {
		width: 70rpx;
		height: 70rpx;
		z-index: 1000;
		position: absolute;
		bottom: -120rpx;
		left: calc(50% - 70rpx / 2);
	}

	.content-button {
		text-align: center;
		flex: 1;
		font-size: 30rpx;
		font-weight: 400;
		color: #ffffff;
		border-radius: 40rpx;
		margin: 0 18rpx;
		width: 500rpx;
		height: 80rpx;
		line-height: 80rpx;

		background: linear-gradient(to right, #1785ff, #3da7ff);
	}

	.flex-column {
		display: flex;
		flex-direction: column;
		align-items: center;
	}

	.fs24 {
		font-size: 24rpx;
	}

	.version {
		font-size: 24rpx;
		margin-top: 10rpx;
		color: #eeeeee;
		text-decoration: underline;
	}
</style>